Commit | Line | Data |
---|---|---|
d8866baa PP |
1 | /* |
2 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation | |
834e9996 | 3 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> |
d8866baa PP |
4 | * |
5 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | * of this software and associated documentation files (the "Software"), to deal | |
7 | * in the Software without restriction, including without limitation the rights | |
8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | * copies of the Software, and to permit persons to whom the Software is | |
10 | * furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
21 | * SOFTWARE. | |
22 | */ | |
23 | ||
4b1e4687 | 24 | #define BT_COMP_LOG_SELF_COMP (dmesg_comp->self_comp) |
f9291fb7 | 25 | #define BT_LOG_OUTPUT_LEVEL (dmesg_comp->log_level) |
b03487ab | 26 | #define BT_LOG_TAG "PLUGIN/SRC.TEXT.DMESG" |
3fa1b6a3 | 27 | #include "logging/comp-logging.h" |
e2531d3b | 28 | |
d8866baa | 29 | #include <stdbool.h> |
e2531d3b PP |
30 | #include <string.h> |
31 | #include <ctype.h> | |
d8866baa | 32 | #include <stdio.h> |
57952005 | 33 | #include "common/common.h" |
f9291fb7 | 34 | #include "common/assert.h" |
71c5da58 | 35 | #include <babeltrace2/babeltrace.h> |
57952005 MJ |
36 | #include "compat/utc.h" |
37 | #include "compat/stdio.h" | |
d8866baa PP |
38 | #include <glib.h> |
39 | ||
e2531d3b PP |
40 | #define NSEC_PER_USEC 1000UL |
41 | #define NSEC_PER_MSEC 1000000UL | |
42 | #define NSEC_PER_SEC 1000000000ULL | |
43 | #define USEC_PER_SEC 1000000UL | |
44 | ||
d8866baa PP |
45 | struct dmesg_component; |
46 | ||
b09a5592 | 47 | struct dmesg_msg_iter { |
d8866baa | 48 | struct dmesg_component *dmesg_comp; |
b09a5592 | 49 | bt_self_message_iterator *pc_msg_iter; /* Weak */ |
e2531d3b PP |
50 | char *linebuf; |
51 | size_t linebuf_len; | |
d8866baa | 52 | FILE *fp; |
b09a5592 | 53 | bt_message *tmp_event_msg; |
96a0a69d | 54 | uint64_t last_clock_value; |
a6918753 PP |
55 | |
56 | enum { | |
57 | STATE_EMIT_STREAM_BEGINNING, | |
a6918753 | 58 | STATE_EMIT_EVENT, |
a6918753 PP |
59 | STATE_EMIT_STREAM_END, |
60 | STATE_DONE, | |
61 | } state; | |
d8866baa PP |
62 | }; |
63 | ||
64 | struct dmesg_component { | |
f9291fb7 PP |
65 | bt_logging_level log_level; |
66 | ||
d8866baa PP |
67 | struct { |
68 | GString *path; | |
e2531d3b | 69 | bt_bool read_from_stdin; |
8743317e | 70 | bt_bool no_timestamp; |
d8866baa PP |
71 | } params; |
72 | ||
4b1e4687 PP |
73 | bt_self_component_source *self_comp_src; |
74 | bt_self_component *self_comp; | |
8eee8ea2 PP |
75 | bt_trace_class *trace_class; |
76 | bt_stream_class *stream_class; | |
77 | bt_event_class *event_class; | |
78 | bt_trace *trace; | |
79 | bt_stream *stream; | |
8eee8ea2 | 80 | bt_clock_class *clock_class; |
d8866baa PP |
81 | }; |
82 | ||
e2531d3b | 83 | static |
f9291fb7 PP |
84 | bt_field_class *create_event_payload_fc(struct dmesg_component *dmesg_comp, |
85 | bt_trace_class *trace_class) | |
e2531d3b | 86 | { |
8eee8ea2 PP |
87 | bt_field_class *root_fc = NULL; |
88 | bt_field_class *fc = NULL; | |
e2531d3b PP |
89 | int ret; |
90 | ||
b7396828 | 91 | root_fc = bt_field_class_structure_create(trace_class); |
939190b3 | 92 | if (!root_fc) { |
4b1e4687 | 93 | BT_COMP_LOGE_STR("Cannot create an empty structure field class object."); |
e2531d3b PP |
94 | goto error; |
95 | } | |
96 | ||
b7396828 | 97 | fc = bt_field_class_string_create(trace_class); |
939190b3 | 98 | if (!fc) { |
4b1e4687 | 99 | BT_COMP_LOGE_STR("Cannot create a string field class object."); |
e2531d3b PP |
100 | goto error; |
101 | } | |
102 | ||
78cf9df6 | 103 | ret = bt_field_class_structure_append_member(root_fc, |
9e550e5f | 104 | "str", fc); |
e2531d3b | 105 | if (ret) { |
4b1e4687 | 106 | BT_COMP_LOGE("Cannot add `str` member to structure field class: " |
e2531d3b PP |
107 | "ret=%d", ret); |
108 | goto error; | |
109 | } | |
110 | ||
111 | goto end; | |
112 | ||
113 | error: | |
8c6884d9 | 114 | BT_FIELD_CLASS_PUT_REF_AND_RESET(root_fc); |
e2531d3b PP |
115 | |
116 | end: | |
8c6884d9 | 117 | bt_field_class_put_ref(fc); |
939190b3 | 118 | return root_fc; |
e2531d3b PP |
119 | } |
120 | ||
e2531d3b PP |
121 | static |
122 | int create_meta(struct dmesg_component *dmesg_comp, bool has_ts) | |
123 | { | |
8eee8ea2 | 124 | bt_field_class *fc = NULL; |
d8866baa PP |
125 | int ret = 0; |
126 | ||
4b1e4687 | 127 | dmesg_comp->trace_class = bt_trace_class_create(dmesg_comp->self_comp); |
10b7a2e4 | 128 | if (!dmesg_comp->trace_class) { |
4b1e4687 | 129 | BT_COMP_LOGE_STR("Cannot create an empty trace class object."); |
e2531d3b PP |
130 | goto error; |
131 | } | |
132 | ||
78cf9df6 | 133 | dmesg_comp->stream_class = bt_stream_class_create( |
10b7a2e4 | 134 | dmesg_comp->trace_class); |
e2531d3b | 135 | if (!dmesg_comp->stream_class) { |
4b1e4687 | 136 | BT_COMP_LOGE_STR("Cannot create a stream class object."); |
e2531d3b PP |
137 | goto error; |
138 | } | |
139 | ||
e2531d3b | 140 | if (has_ts) { |
35fa110e | 141 | dmesg_comp->clock_class = bt_clock_class_create( |
4b1e4687 | 142 | dmesg_comp->self_comp); |
e2531d3b | 143 | if (!dmesg_comp->clock_class) { |
4b1e4687 | 144 | BT_COMP_LOGE_STR("Cannot create clock class."); |
e2531d3b PP |
145 | goto error; |
146 | } | |
147 | ||
44de4099 | 148 | /* |
d608d675 PP |
149 | * The `dmesg` timestamp's origin is not the Unix epoch, |
150 | * it's the boot time. | |
44de4099 | 151 | */ |
d608d675 | 152 | bt_clock_class_set_origin_is_unix_epoch(dmesg_comp->clock_class, |
44de4099 PP |
153 | BT_FALSE); |
154 | ||
78cf9df6 PP |
155 | ret = bt_stream_class_set_default_clock_class( |
156 | dmesg_comp->stream_class, dmesg_comp->clock_class); | |
e2531d3b | 157 | if (ret) { |
4b1e4687 | 158 | BT_COMP_LOGE_STR("Cannot set stream class's default clock class."); |
e2531d3b PP |
159 | goto error; |
160 | } | |
161 | } | |
162 | ||
78cf9df6 | 163 | dmesg_comp->event_class = bt_event_class_create( |
7b33a0e0 | 164 | dmesg_comp->stream_class); |
e2531d3b | 165 | if (!dmesg_comp->event_class) { |
4b1e4687 | 166 | BT_COMP_LOGE_STR("Cannot create an event class object."); |
7b33a0e0 PP |
167 | goto error; |
168 | } | |
169 | ||
78cf9df6 | 170 | ret = bt_event_class_set_name(dmesg_comp->event_class, "string"); |
7b33a0e0 | 171 | if (ret) { |
4b1e4687 | 172 | BT_COMP_LOGE_STR("Cannot set event class's name."); |
e2531d3b PP |
173 | goto error; |
174 | } | |
175 | ||
f9291fb7 | 176 | fc = create_event_payload_fc(dmesg_comp, dmesg_comp->trace_class); |
939190b3 | 177 | if (!fc) { |
4b1e4687 | 178 | BT_COMP_LOGE_STR("Cannot create event payload field class."); |
d8866baa PP |
179 | goto error; |
180 | } | |
181 | ||
78cf9df6 | 182 | ret = bt_event_class_set_payload_field_class(dmesg_comp->event_class, fc); |
e2531d3b | 183 | if (ret) { |
4b1e4687 | 184 | BT_COMP_LOGE_STR("Cannot set event class's event payload field class."); |
e2531d3b PP |
185 | goto error; |
186 | } | |
187 | ||
e2531d3b PP |
188 | goto end; |
189 | ||
190 | error: | |
191 | ret = -1; | |
192 | ||
193 | end: | |
8c6884d9 | 194 | bt_field_class_put_ref(fc); |
e2531d3b PP |
195 | return ret; |
196 | } | |
197 | ||
198 | static | |
ce141536 | 199 | int handle_params(struct dmesg_component *dmesg_comp, |
8eee8ea2 | 200 | const bt_value *params) |
e2531d3b | 201 | { |
8eee8ea2 PP |
202 | const bt_value *no_timestamp = NULL; |
203 | const bt_value *path = NULL; | |
e2531d3b PP |
204 | const char *path_str; |
205 | int ret = 0; | |
206 | ||
ce141536 | 207 | no_timestamp = bt_value_map_borrow_entry_value_const(params, |
44514773 | 208 | "no-extract-timestamp"); |
8743317e PP |
209 | if (no_timestamp) { |
210 | if (!bt_value_is_bool(no_timestamp)) { | |
4b1e4687 | 211 | BT_COMP_LOGE("Expecting a boolean value for the `no-extract-timestamp` parameter: " |
8743317e | 212 | "type=%s", |
17582c6d | 213 | bt_common_value_type_string( |
8743317e PP |
214 | bt_value_get_type(no_timestamp))); |
215 | goto error; | |
216 | } | |
217 | ||
b5cdc106 PP |
218 | dmesg_comp->params.no_timestamp = |
219 | bt_value_bool_get(no_timestamp); | |
8743317e PP |
220 | } |
221 | ||
ce141536 | 222 | path = bt_value_map_borrow_entry_value_const(params, "path"); |
d8866baa PP |
223 | if (path) { |
224 | if (dmesg_comp->params.read_from_stdin) { | |
4b1e4687 | 225 | BT_COMP_LOGE_STR("Cannot specify both `read-from-stdin` and `path` parameters."); |
d8866baa PP |
226 | goto error; |
227 | } | |
228 | ||
229 | if (!bt_value_is_string(path)) { | |
4b1e4687 | 230 | BT_COMP_LOGE("Expecting a string value for the `path` parameter: " |
e2531d3b | 231 | "type=%s", |
17582c6d | 232 | bt_common_value_type_string( |
e2531d3b | 233 | bt_value_get_type(path))); |
d8866baa PP |
234 | goto error; |
235 | } | |
236 | ||
b5cdc106 | 237 | path_str = bt_value_string_get(path); |
d8866baa PP |
238 | g_string_assign(dmesg_comp->params.path, path_str); |
239 | } else { | |
2a2f36a2 | 240 | dmesg_comp->params.read_from_stdin = true; |
d8866baa PP |
241 | } |
242 | ||
243 | goto end; | |
244 | ||
245 | error: | |
246 | ret = -1; | |
247 | ||
248 | end: | |
d8866baa PP |
249 | return ret; |
250 | } | |
251 | ||
e2531d3b | 252 | static |
37a93d41 | 253 | int create_stream_and_trace(struct dmesg_component *dmesg_comp) |
e2531d3b PP |
254 | { |
255 | int ret = 0; | |
a260020d | 256 | const char *trace_name = NULL; |
10b7a2e4 PP |
257 | gchar *basename = NULL; |
258 | ||
259 | dmesg_comp->trace = bt_trace_create(dmesg_comp->trace_class); | |
260 | if (!dmesg_comp->trace) { | |
4b1e4687 | 261 | BT_COMP_LOGE_STR("Cannot create trace object."); |
10b7a2e4 PP |
262 | goto error; |
263 | } | |
e2531d3b | 264 | |
10b7a2e4 PP |
265 | if (dmesg_comp->params.read_from_stdin) { |
266 | trace_name = "STDIN"; | |
267 | } else { | |
268 | basename = g_path_get_basename(dmesg_comp->params.path->str); | |
269 | BT_ASSERT(basename); | |
270 | ||
271 | if (strcmp(basename, G_DIR_SEPARATOR_S) != 0 && | |
272 | strcmp(basename, ".") != 0) { | |
273 | trace_name = basename; | |
274 | } | |
275 | } | |
276 | ||
277 | if (trace_name) { | |
278 | ret = bt_trace_set_name(dmesg_comp->trace, trace_name); | |
279 | if (ret) { | |
4b1e4687 | 280 | BT_COMP_LOGE("Cannot set trace's name: name=\"%s\"", |
10b7a2e4 PP |
281 | trace_name); |
282 | goto error; | |
283 | } | |
284 | } | |
285 | ||
286 | dmesg_comp->stream = bt_stream_create(dmesg_comp->stream_class, | |
287 | dmesg_comp->trace); | |
e2531d3b | 288 | if (!dmesg_comp->stream) { |
4b1e4687 | 289 | BT_COMP_LOGE_STR("Cannot create stream object."); |
e2531d3b PP |
290 | goto error; |
291 | } | |
292 | ||
e2531d3b PP |
293 | goto end; |
294 | ||
295 | error: | |
296 | ret = -1; | |
297 | ||
298 | end: | |
be1b2e7e | 299 | g_free(basename); |
10b7a2e4 | 300 | |
e2531d3b PP |
301 | return ret; |
302 | } | |
303 | ||
304 | static | |
37a93d41 | 305 | int try_create_meta_stream(struct dmesg_component *dmesg_comp, bool has_ts) |
e2531d3b PP |
306 | { |
307 | int ret = 0; | |
308 | ||
309 | if (dmesg_comp->trace) { | |
310 | /* Already created */ | |
311 | goto end; | |
312 | } | |
313 | ||
314 | ret = create_meta(dmesg_comp, has_ts); | |
315 | if (ret) { | |
4b1e4687 | 316 | BT_COMP_LOGE("Cannot create metadata objects: dmesg-comp-addr=%p", |
e2531d3b PP |
317 | dmesg_comp); |
318 | goto error; | |
319 | } | |
320 | ||
37a93d41 | 321 | ret = create_stream_and_trace(dmesg_comp); |
e2531d3b | 322 | if (ret) { |
37a93d41 | 323 | BT_COMP_LOGE("Cannot create stream object: " |
e2531d3b PP |
324 | "dmesg-comp-addr=%p", dmesg_comp); |
325 | goto error; | |
326 | } | |
327 | ||
328 | goto end; | |
329 | ||
330 | error: | |
331 | ret = -1; | |
332 | ||
333 | end: | |
334 | return ret; | |
335 | } | |
d8866baa PP |
336 | |
337 | static | |
338 | void destroy_dmesg_component(struct dmesg_component *dmesg_comp) | |
339 | { | |
340 | if (!dmesg_comp) { | |
341 | return; | |
342 | } | |
343 | ||
344 | if (dmesg_comp->params.path) { | |
345 | g_string_free(dmesg_comp->params.path, TRUE); | |
346 | } | |
347 | ||
8c6884d9 PP |
348 | bt_trace_put_ref(dmesg_comp->trace); |
349 | bt_stream_class_put_ref(dmesg_comp->stream_class); | |
350 | bt_event_class_put_ref(dmesg_comp->event_class); | |
351 | bt_stream_put_ref(dmesg_comp->stream); | |
352 | bt_clock_class_put_ref(dmesg_comp->clock_class); | |
224b2711 | 353 | bt_trace_class_put_ref(dmesg_comp->trace_class); |
d8866baa PP |
354 | g_free(dmesg_comp); |
355 | } | |
356 | ||
e2531d3b | 357 | static |
4175c1d5 | 358 | bt_component_class_initialize_method_status create_port( |
8eee8ea2 | 359 | bt_self_component_source *self_comp) |
e2531d3b | 360 | { |
4175c1d5 | 361 | bt_component_class_initialize_method_status status; |
fb25b9e3 PP |
362 | bt_self_component_add_port_status add_port_status; |
363 | ||
364 | add_port_status = bt_self_component_source_add_output_port(self_comp, | |
e2531d3b | 365 | "out", NULL, NULL); |
fb25b9e3 PP |
366 | switch (add_port_status) { |
367 | case BT_SELF_COMPONENT_ADD_PORT_STATUS_OK: | |
4175c1d5 | 368 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; |
fb25b9e3 PP |
369 | break; |
370 | case BT_SELF_COMPONENT_ADD_PORT_STATUS_ERROR: | |
4175c1d5 | 371 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
fb25b9e3 PP |
372 | break; |
373 | case BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR: | |
4175c1d5 | 374 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
fb25b9e3 PP |
375 | break; |
376 | default: | |
377 | abort(); | |
378 | } | |
379 | ||
380 | return status; | |
e2531d3b PP |
381 | } |
382 | ||
d8866baa | 383 | BT_HIDDEN |
4175c1d5 | 384 | bt_component_class_initialize_method_status dmesg_init( |
4b1e4687 | 385 | bt_self_component_source *self_comp_src, |
e3250e61 | 386 | bt_self_component_source_configuration *config, |
8eee8ea2 | 387 | bt_value *params, void *init_method_data) |
d8866baa PP |
388 | { |
389 | int ret = 0; | |
390 | struct dmesg_component *dmesg_comp = g_new0(struct dmesg_component, 1); | |
4175c1d5 FD |
391 | bt_component_class_initialize_method_status status = |
392 | BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
4b1e4687 PP |
393 | bt_self_component *self_comp = |
394 | bt_self_component_source_as_self_component(self_comp_src); | |
395 | const bt_component *comp = bt_self_component_as_component(self_comp); | |
f9291fb7 | 396 | bt_logging_level log_level = bt_component_get_logging_level(comp); |
d8866baa PP |
397 | |
398 | if (!dmesg_comp) { | |
f9291fb7 | 399 | /* Implicit log level is not available here */ |
4b1e4687 | 400 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
f9291fb7 | 401 | "Failed to allocate one dmesg component structure."); |
d8866baa PP |
402 | goto error; |
403 | } | |
404 | ||
f9291fb7 | 405 | dmesg_comp->log_level = log_level; |
e5e71bf8 | 406 | dmesg_comp->self_comp = self_comp; |
4b1e4687 | 407 | dmesg_comp->self_comp_src = self_comp_src; |
d8866baa PP |
408 | dmesg_comp->params.path = g_string_new(NULL); |
409 | if (!dmesg_comp->params.path) { | |
4b1e4687 | 410 | BT_COMP_LOGE_STR("Failed to allocate a GString."); |
d8866baa PP |
411 | goto error; |
412 | } | |
413 | ||
e2531d3b | 414 | ret = handle_params(dmesg_comp, params); |
d8866baa | 415 | if (ret) { |
4b1e4687 | 416 | BT_COMP_LOGE("Invalid parameters: comp-addr=%p", self_comp); |
d8866baa PP |
417 | goto error; |
418 | } | |
419 | ||
e2531d3b PP |
420 | if (!dmesg_comp->params.read_from_stdin && |
421 | !g_file_test(dmesg_comp->params.path->str, | |
422 | G_FILE_TEST_IS_REGULAR)) { | |
4b1e4687 | 423 | BT_COMP_LOGE("Input path is not a regular file: " |
834e9996 | 424 | "comp-addr=%p, path=\"%s\"", self_comp, |
e2531d3b PP |
425 | dmesg_comp->params.path->str); |
426 | goto error; | |
427 | } | |
d8866baa | 428 | |
4b1e4687 | 429 | status = create_port(self_comp_src); |
4175c1d5 | 430 | if (status != BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) { |
e2531d3b PP |
431 | goto error; |
432 | } | |
d8866baa | 433 | |
4b1e4687 PP |
434 | bt_self_component_set_data(self_comp, dmesg_comp); |
435 | BT_COMP_LOGI_STR("Component initialized."); | |
d8866baa PP |
436 | goto end; |
437 | ||
438 | error: | |
439 | destroy_dmesg_component(dmesg_comp); | |
4b1e4687 | 440 | bt_self_component_set_data(self_comp, NULL); |
e2531d3b PP |
441 | |
442 | if (status >= 0) { | |
4175c1d5 | 443 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
e2531d3b | 444 | } |
d8866baa PP |
445 | |
446 | end: | |
447 | return status; | |
448 | } | |
449 | ||
450 | BT_HIDDEN | |
8eee8ea2 | 451 | void dmesg_finalize(bt_self_component_source *self_comp) |
d8866baa | 452 | { |
834e9996 | 453 | destroy_dmesg_component(bt_self_component_get_data( |
bb61965b | 454 | bt_self_component_source_as_self_component(self_comp))); |
e2531d3b PP |
455 | } |
456 | ||
457 | static | |
b09a5592 PP |
458 | bt_message *create_init_event_msg_from_line( |
459 | struct dmesg_msg_iter *msg_iter, | |
a6918753 | 460 | const char *line, const char **new_start) |
e2531d3b | 461 | { |
8eee8ea2 | 462 | bt_event *event; |
b09a5592 | 463 | bt_message *msg = NULL; |
e2531d3b PP |
464 | bool has_timestamp = false; |
465 | unsigned long sec, usec, msec; | |
466 | unsigned int year, mon, mday, hour, min; | |
467 | uint64_t ts = 0; | |
e2531d3b | 468 | int ret = 0; |
b09a5592 | 469 | struct dmesg_component *dmesg_comp = msg_iter->dmesg_comp; |
e2531d3b | 470 | |
e2531d3b PP |
471 | *new_start = line; |
472 | ||
8743317e PP |
473 | if (dmesg_comp->params.no_timestamp) { |
474 | goto skip_ts; | |
475 | } | |
476 | ||
e2531d3b PP |
477 | /* Extract time from input line */ |
478 | if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) { | |
479 | ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec; | |
480 | ||
481 | /* | |
482 | * The clock class we use has a 1 GHz frequency: convert | |
483 | * from µs to ns. | |
484 | */ | |
485 | ts *= NSEC_PER_USEC; | |
486 | has_timestamp = true; | |
487 | } else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ", | |
488 | &year, &mon, &mday, &hour, &min, | |
489 | &sec, &msec) == 7) { | |
490 | time_t ep_sec; | |
491 | struct tm ti; | |
492 | ||
493 | memset(&ti, 0, sizeof(ti)); | |
494 | ti.tm_year = year - 1900; /* From 1900 */ | |
495 | ti.tm_mon = mon - 1; /* 0 to 11 */ | |
496 | ti.tm_mday = mday; | |
497 | ti.tm_hour = hour; | |
498 | ti.tm_min = min; | |
499 | ti.tm_sec = sec; | |
500 | ||
501 | ep_sec = bt_timegm(&ti); | |
502 | if (ep_sec != (time_t) -1) { | |
503 | ts = (uint64_t) ep_sec * NSEC_PER_SEC | |
504 | + (uint64_t) msec * NSEC_PER_MSEC; | |
505 | } | |
506 | ||
507 | has_timestamp = true; | |
508 | } | |
509 | ||
510 | if (has_timestamp) { | |
511 | /* Set new start for the message portion of the line */ | |
512 | *new_start = strchr(line, ']'); | |
8b45963b | 513 | BT_ASSERT(*new_start); |
e2531d3b PP |
514 | (*new_start)++; |
515 | ||
516 | if ((*new_start)[0] == ' ') { | |
517 | (*new_start)++; | |
518 | } | |
519 | } | |
520 | ||
8743317e | 521 | skip_ts: |
e2531d3b PP |
522 | /* |
523 | * At this point, we know if the stream class's event header | |
939190b3 | 524 | * field class should have a timestamp or not, so we can lazily |
37a93d41 | 525 | * create the metadata and stream objects. |
e2531d3b | 526 | */ |
37a93d41 | 527 | ret = try_create_meta_stream(dmesg_comp, has_timestamp); |
e2531d3b | 528 | if (ret) { |
37a93d41 | 529 | /* try_create_meta_stream() logs errors */ |
e2531d3b PP |
530 | goto error; |
531 | } | |
532 | ||
9c04b633 PP |
533 | if (dmesg_comp->clock_class) { |
534 | msg = bt_message_event_create_with_default_clock_snapshot( | |
535 | msg_iter->pc_msg_iter, | |
37a93d41 | 536 | dmesg_comp->event_class, dmesg_comp->stream, ts); |
9c04b633 PP |
537 | msg_iter->last_clock_value = ts; |
538 | } else { | |
539 | msg = bt_message_event_create(msg_iter->pc_msg_iter, | |
37a93d41 | 540 | dmesg_comp->event_class, dmesg_comp->stream); |
9c04b633 PP |
541 | } |
542 | ||
b09a5592 | 543 | if (!msg) { |
4b1e4687 | 544 | BT_COMP_LOGE_STR("Cannot create event message."); |
a6918753 PP |
545 | goto error; |
546 | } | |
e2531d3b | 547 | |
b09a5592 | 548 | event = bt_message_event_borrow_event(msg); |
a6918753 | 549 | BT_ASSERT(event); |
e2531d3b PP |
550 | goto end; |
551 | ||
552 | error: | |
b09a5592 | 553 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
e2531d3b PP |
554 | |
555 | end: | |
b09a5592 | 556 | return msg; |
e2531d3b PP |
557 | } |
558 | ||
559 | static | |
f9291fb7 PP |
560 | int fill_event_payload_from_line(struct dmesg_component *dmesg_comp, |
561 | const char *line, bt_event *event) | |
e2531d3b | 562 | { |
8eee8ea2 PP |
563 | bt_field *ep_field = NULL; |
564 | bt_field *str_field = NULL; | |
e2531d3b PP |
565 | size_t len; |
566 | int ret; | |
567 | ||
78cf9df6 | 568 | ep_field = bt_event_borrow_payload_field(event); |
a6918753 | 569 | BT_ASSERT(ep_field); |
78cf9df6 | 570 | str_field = bt_field_structure_borrow_member_field_by_index( |
9e550e5f | 571 | ep_field, 0); |
e2531d3b | 572 | if (!str_field) { |
4b1e4687 | 573 | BT_COMP_LOGE_STR("Cannot borrow `timestamp` field from event payload structure field."); |
e2531d3b PP |
574 | goto error; |
575 | } | |
576 | ||
577 | len = strlen(line); | |
578 | if (line[len - 1] == '\n') { | |
579 | /* Do not include the newline character in the payload */ | |
580 | len--; | |
581 | } | |
582 | ||
fb25b9e3 | 583 | bt_field_string_clear(str_field); |
78cf9df6 | 584 | ret = bt_field_string_append_with_length(str_field, line, len); |
e2531d3b | 585 | if (ret) { |
4b1e4687 | 586 | BT_COMP_LOGE("Cannot append value to string field object: " |
e2531d3b PP |
587 | "len=%zu", len); |
588 | goto error; | |
589 | } | |
590 | ||
e2531d3b PP |
591 | goto end; |
592 | ||
593 | error: | |
594 | ret = -1; | |
595 | ||
596 | end: | |
e2531d3b PP |
597 | return ret; |
598 | } | |
599 | ||
600 | static | |
b09a5592 PP |
601 | bt_message *create_msg_from_line( |
602 | struct dmesg_msg_iter *dmesg_msg_iter, const char *line) | |
e2531d3b | 603 | { |
f9291fb7 | 604 | struct dmesg_component *dmesg_comp = dmesg_msg_iter->dmesg_comp; |
8eee8ea2 | 605 | bt_event *event = NULL; |
b09a5592 | 606 | bt_message *msg = NULL; |
e2531d3b PP |
607 | const char *new_start; |
608 | int ret; | |
609 | ||
b09a5592 | 610 | msg = create_init_event_msg_from_line(dmesg_msg_iter, |
03e18d5d | 611 | line, &new_start); |
b09a5592 | 612 | if (!msg) { |
4b1e4687 | 613 | BT_COMP_LOGE_STR("Cannot create and initialize event message from line."); |
e2531d3b PP |
614 | goto error; |
615 | } | |
616 | ||
b09a5592 | 617 | event = bt_message_event_borrow_event(msg); |
a6918753 | 618 | BT_ASSERT(event); |
f9291fb7 | 619 | ret = fill_event_payload_from_line(dmesg_comp, new_start, event); |
e2531d3b | 620 | if (ret) { |
4b1e4687 | 621 | BT_COMP_LOGE("Cannot fill event payload field from line: " |
e2531d3b PP |
622 | "ret=%d", ret); |
623 | goto error; | |
624 | } | |
625 | ||
e2531d3b PP |
626 | goto end; |
627 | ||
628 | error: | |
b09a5592 | 629 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
e2531d3b PP |
630 | |
631 | end: | |
b09a5592 | 632 | return msg; |
e2531d3b PP |
633 | } |
634 | ||
635 | static | |
b09a5592 | 636 | void destroy_dmesg_msg_iter(struct dmesg_msg_iter *dmesg_msg_iter) |
e2531d3b | 637 | { |
93fcf602 | 638 | struct dmesg_component *dmesg_comp; |
f9291fb7 | 639 | |
b09a5592 | 640 | if (!dmesg_msg_iter) { |
e2531d3b PP |
641 | return; |
642 | } | |
643 | ||
93fcf602 PP |
644 | dmesg_comp = dmesg_msg_iter->dmesg_comp; |
645 | ||
b09a5592 PP |
646 | if (dmesg_msg_iter->fp && dmesg_msg_iter->fp != stdin) { |
647 | if (fclose(dmesg_msg_iter->fp)) { | |
4b1e4687 | 648 | BT_COMP_LOGE_ERRNO("Cannot close input file", "."); |
e2531d3b PP |
649 | } |
650 | } | |
d8866baa | 651 | |
b09a5592 PP |
652 | bt_message_put_ref(dmesg_msg_iter->tmp_event_msg); |
653 | free(dmesg_msg_iter->linebuf); | |
654 | g_free(dmesg_msg_iter); | |
d8866baa PP |
655 | } |
656 | ||
12b0fa51 PP |
657 | |
658 | ||
d8866baa | 659 | BT_HIDDEN |
4175c1d5 | 660 | bt_component_class_message_iterator_initialize_method_status dmesg_msg_iter_init( |
b09a5592 | 661 | bt_self_message_iterator *self_msg_iter, |
9415de1c | 662 | bt_self_message_iterator_configuration *config, |
8eee8ea2 PP |
663 | bt_self_component_source *self_comp, |
664 | bt_self_component_port_output *self_port) | |
d8866baa | 665 | { |
f9291fb7 PP |
666 | struct dmesg_component *dmesg_comp = bt_self_component_get_data( |
667 | bt_self_component_source_as_self_component(self_comp)); | |
b09a5592 PP |
668 | struct dmesg_msg_iter *dmesg_msg_iter = |
669 | g_new0(struct dmesg_msg_iter, 1); | |
4175c1d5 FD |
670 | bt_component_class_message_iterator_initialize_method_status status = |
671 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK; | |
e2531d3b | 672 | |
b09a5592 | 673 | if (!dmesg_msg_iter) { |
4b1e4687 | 674 | BT_COMP_LOGE_STR("Failed to allocate on dmesg message iterator structure."); |
e2531d3b PP |
675 | goto error; |
676 | } | |
677 | ||
8b45963b | 678 | BT_ASSERT(dmesg_comp); |
b09a5592 PP |
679 | dmesg_msg_iter->dmesg_comp = dmesg_comp; |
680 | dmesg_msg_iter->pc_msg_iter = self_msg_iter; | |
d8866baa | 681 | |
e2531d3b | 682 | if (dmesg_comp->params.read_from_stdin) { |
b09a5592 | 683 | dmesg_msg_iter->fp = stdin; |
e2531d3b | 684 | } else { |
b09a5592 PP |
685 | dmesg_msg_iter->fp = fopen(dmesg_comp->params.path->str, "r"); |
686 | if (!dmesg_msg_iter->fp) { | |
4b1e4687 | 687 | BT_COMP_LOGE_ERRNO("Cannot open input file in read mode", ": path=\"%s\"", |
e2531d3b PP |
688 | dmesg_comp->params.path->str); |
689 | goto error; | |
690 | } | |
691 | } | |
692 | ||
b09a5592 PP |
693 | bt_self_message_iterator_set_data(self_msg_iter, |
694 | dmesg_msg_iter); | |
e2531d3b PP |
695 | goto end; |
696 | ||
697 | error: | |
b09a5592 PP |
698 | destroy_dmesg_msg_iter(dmesg_msg_iter); |
699 | bt_self_message_iterator_set_data(self_msg_iter, NULL); | |
e2531d3b | 700 | if (status >= 0) { |
4175c1d5 | 701 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_ERROR; |
e2531d3b PP |
702 | } |
703 | ||
704 | end: | |
e2531d3b | 705 | return status; |
d8866baa PP |
706 | } |
707 | ||
708 | BT_HIDDEN | |
b09a5592 PP |
709 | void dmesg_msg_iter_finalize( |
710 | bt_self_message_iterator *priv_msg_iter) | |
d8866baa | 711 | { |
b09a5592 PP |
712 | destroy_dmesg_msg_iter(bt_self_message_iterator_get_data( |
713 | priv_msg_iter)); | |
d8866baa PP |
714 | } |
715 | ||
3fd7b79d | 716 | static |
fb25b9e3 | 717 | bt_component_class_message_iterator_next_method_status dmesg_msg_iter_next_one( |
b09a5592 PP |
718 | struct dmesg_msg_iter *dmesg_msg_iter, |
719 | bt_message **msg) | |
d8866baa | 720 | { |
e2531d3b | 721 | ssize_t len; |
e2531d3b | 722 | struct dmesg_component *dmesg_comp; |
fb25b9e3 PP |
723 | bt_component_class_message_iterator_next_method_status status = |
724 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; | |
d8866baa | 725 | |
b09a5592 PP |
726 | BT_ASSERT(dmesg_msg_iter); |
727 | dmesg_comp = dmesg_msg_iter->dmesg_comp; | |
8b45963b | 728 | BT_ASSERT(dmesg_comp); |
e2531d3b | 729 | |
b09a5592 | 730 | if (dmesg_msg_iter->state == STATE_DONE) { |
fb25b9e3 | 731 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END; |
a6918753 PP |
732 | goto end; |
733 | } | |
734 | ||
b09a5592 | 735 | if (dmesg_msg_iter->tmp_event_msg || |
b09a5592 | 736 | dmesg_msg_iter->state == STATE_EMIT_STREAM_END) { |
a6918753 PP |
737 | goto handle_state; |
738 | } | |
739 | ||
e2531d3b PP |
740 | while (true) { |
741 | const char *ch; | |
742 | bool only_spaces = true; | |
743 | ||
b09a5592 PP |
744 | len = bt_getline(&dmesg_msg_iter->linebuf, |
745 | &dmesg_msg_iter->linebuf_len, dmesg_msg_iter->fp); | |
e2531d3b PP |
746 | if (len < 0) { |
747 | if (errno == EINVAL) { | |
fb25b9e3 | 748 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR; |
e2531d3b | 749 | } else if (errno == ENOMEM) { |
fb25b9e3 | 750 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_MEMORY_ERROR; |
e2531d3b | 751 | } else { |
b09a5592 | 752 | if (dmesg_msg_iter->state == STATE_EMIT_STREAM_BEGINNING) { |
a6918753 | 753 | /* Stream did not even begin */ |
fb25b9e3 | 754 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END; |
a6918753 PP |
755 | goto end; |
756 | } else { | |
37a93d41 | 757 | /* End stream now */ |
b09a5592 | 758 | dmesg_msg_iter->state = |
37a93d41 | 759 | STATE_EMIT_STREAM_END; |
a6918753 PP |
760 | goto handle_state; |
761 | } | |
e2531d3b PP |
762 | } |
763 | ||
764 | goto end; | |
765 | } | |
766 | ||
b09a5592 | 767 | BT_ASSERT(dmesg_msg_iter->linebuf); |
e2531d3b PP |
768 | |
769 | /* Ignore empty lines, once trimmed */ | |
b09a5592 | 770 | for (ch = dmesg_msg_iter->linebuf; *ch != '\0'; ch++) { |
e2531d3b PP |
771 | if (!isspace(*ch)) { |
772 | only_spaces = false; | |
773 | break; | |
774 | } | |
775 | } | |
776 | ||
777 | if (!only_spaces) { | |
778 | break; | |
779 | } | |
780 | } | |
781 | ||
b09a5592 PP |
782 | dmesg_msg_iter->tmp_event_msg = create_msg_from_line( |
783 | dmesg_msg_iter, dmesg_msg_iter->linebuf); | |
784 | if (!dmesg_msg_iter->tmp_event_msg) { | |
4b1e4687 | 785 | BT_COMP_LOGE("Cannot create event message from line: " |
e2531d3b | 786 | "dmesg-comp-addr=%p, line=\"%s\"", dmesg_comp, |
b09a5592 | 787 | dmesg_msg_iter->linebuf); |
a6918753 PP |
788 | goto end; |
789 | } | |
790 | ||
791 | handle_state: | |
792 | BT_ASSERT(dmesg_comp->trace); | |
793 | ||
b09a5592 | 794 | switch (dmesg_msg_iter->state) { |
a6918753 | 795 | case STATE_EMIT_STREAM_BEGINNING: |
b09a5592 PP |
796 | BT_ASSERT(dmesg_msg_iter->tmp_event_msg); |
797 | *msg = bt_message_stream_beginning_create( | |
798 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->stream); | |
b09a5592 | 799 | dmesg_msg_iter->state = STATE_EMIT_EVENT; |
a6918753 PP |
800 | break; |
801 | case STATE_EMIT_EVENT: | |
b09a5592 PP |
802 | BT_ASSERT(dmesg_msg_iter->tmp_event_msg); |
803 | *msg = dmesg_msg_iter->tmp_event_msg; | |
804 | dmesg_msg_iter->tmp_event_msg = NULL; | |
a6918753 | 805 | break; |
a6918753 | 806 | case STATE_EMIT_STREAM_END: |
b09a5592 PP |
807 | *msg = bt_message_stream_end_create( |
808 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->stream); | |
809 | dmesg_msg_iter->state = STATE_DONE; | |
a6918753 PP |
810 | break; |
811 | default: | |
812 | break; | |
813 | } | |
814 | ||
b09a5592 | 815 | if (!*msg) { |
4b1e4687 | 816 | BT_COMP_LOGE("Cannot create message: dmesg-comp-addr=%p", |
a6918753 | 817 | dmesg_comp); |
fb25b9e3 | 818 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR; |
e2531d3b PP |
819 | } |
820 | ||
821 | end: | |
3fd7b79d PP |
822 | return status; |
823 | } | |
824 | ||
825 | BT_HIDDEN | |
fb25b9e3 | 826 | bt_component_class_message_iterator_next_method_status dmesg_msg_iter_next( |
b09a5592 PP |
827 | bt_self_message_iterator *self_msg_iter, |
828 | bt_message_array_const msgs, uint64_t capacity, | |
3fd7b79d PP |
829 | uint64_t *count) |
830 | { | |
b09a5592 PP |
831 | struct dmesg_msg_iter *dmesg_msg_iter = |
832 | bt_self_message_iterator_get_data( | |
833 | self_msg_iter); | |
fb25b9e3 PP |
834 | bt_component_class_message_iterator_next_method_status status = |
835 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; | |
3fd7b79d PP |
836 | uint64_t i = 0; |
837 | ||
834e9996 | 838 | while (i < capacity && |
fb25b9e3 | 839 | status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) { |
b09a5592 | 840 | bt_message *priv_msg = NULL; |
9e550e5f | 841 | |
b09a5592 PP |
842 | status = dmesg_msg_iter_next_one(dmesg_msg_iter, |
843 | &priv_msg); | |
844 | msgs[i] = priv_msg; | |
fb25b9e3 | 845 | if (status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) { |
3fd7b79d PP |
846 | i++; |
847 | } | |
848 | } | |
849 | ||
850 | if (i > 0) { | |
851 | /* | |
b09a5592 | 852 | * Even if dmesg_msg_iter_next_one() returned |
3fd7b79d | 853 | * something else than |
b09a5592 PP |
854 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK, we |
855 | * accumulated message objects in the output | |
856 | * message array, so we need to return | |
857 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK so that they | |
834e9996 | 858 | * are transfered to downstream. This other status |
b09a5592 | 859 | * occurs again the next time muxer_msg_iter_do_next() |
834e9996 | 860 | * is called, possibly without any accumulated |
b09a5592 | 861 | * message, in which case we'll return it. |
3fd7b79d PP |
862 | */ |
863 | *count = i; | |
fb25b9e3 | 864 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; |
3fd7b79d PP |
865 | } |
866 | ||
867 | return status; | |
d8866baa | 868 | } |
12b0fa51 PP |
869 | |
870 | BT_HIDDEN | |
9e8e8b43 SM |
871 | bt_component_class_message_iterator_can_seek_beginning_method_status |
872 | dmesg_msg_iter_can_seek_beginning( | |
873 | bt_self_message_iterator *self_msg_iter, bt_bool *can_seek) | |
12b0fa51 PP |
874 | { |
875 | struct dmesg_msg_iter *dmesg_msg_iter = | |
876 | bt_self_message_iterator_get_data(self_msg_iter); | |
877 | ||
878 | /* Can't seek the beginning of the standard input stream */ | |
9e8e8b43 SM |
879 | *can_seek = !dmesg_msg_iter->dmesg_comp->params.read_from_stdin; |
880 | ||
881 | return BT_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_STATUS_OK; | |
12b0fa51 PP |
882 | } |
883 | ||
884 | BT_HIDDEN | |
fb25b9e3 PP |
885 | bt_component_class_message_iterator_seek_beginning_method_status |
886 | dmesg_msg_iter_seek_beginning( | |
12b0fa51 PP |
887 | bt_self_message_iterator *self_msg_iter) |
888 | { | |
889 | struct dmesg_msg_iter *dmesg_msg_iter = | |
890 | bt_self_message_iterator_get_data(self_msg_iter); | |
891 | ||
892 | BT_ASSERT(!dmesg_msg_iter->dmesg_comp->params.read_from_stdin); | |
893 | ||
894 | BT_MESSAGE_PUT_REF_AND_RESET(dmesg_msg_iter->tmp_event_msg); | |
895 | dmesg_msg_iter->last_clock_value = 0; | |
896 | dmesg_msg_iter->state = STATE_EMIT_STREAM_BEGINNING; | |
fb25b9e3 | 897 | return BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK; |
12b0fa51 | 898 | } |